The phrase "its ousting" is correct and usable in written English.
It can be used to refer to the act of removing or expelling someone or something from a position or place.
Example: "The political turmoil led to its ousting from power, leaving a vacuum in leadership."
Alternatives: "its removal" or "its expulsion."
It claimed its ousting from Salahedin had not damaged morale and maintained that the regime was continuing to hold back its ground forces because it fears many would defect if they were ordered to enter the city.
Mr Kerry visited Mr al-Sisi a day before the sentences were passed to renew political ties with the country following its ousting of Mohamed Morsi last July.
The second Palestinian intifada and Israel's crushing response; Israel's unilateral withdrawal from Gaza in 2005; the Islamist Hamas party's election victory there in 2006; its ousting of the Palestinian Authority in 2007; Israel's rightward drift and its brutal onslaught on Gaza in 2009; all have put Egypt in a bind.
The military has been heavily criticised for its ousting of the democratically-elected civilian government.
Hewlett-Packard was awkward in its ousting of CEO Mark Hurd.
The army has promised to remain neutral amid fears that its ousting of Mugabe set a dangerous precedent and that a win by the opposition could prompt another military intervention.
It has so far kept its distance publicly from Tunisia as well, although it gave refuge to its ousted president, Zine el-Abidine Ben Ali.
Like wranglers taming feral horses, Americans eventually conquered the mysterious frontier, industrializing its scenery, ousting its native peoples and reigning in its lawlessness.
While the plinth continually morphs in symbolism and significance, its ousted artwork waits at an undisclosed location for its fate to be decided.
The Sunbeam Corporation today dismissed its vice chairman and chief financial officer, Russell Kersh, a longtime aide to its ousted chairman, Albert J. Dunlap.
It's like Scotland printing up a £7.50 note plastered with the crying faces of all its ousted Labour MPs.
