It is correct and usable in written English.
You can use it when you want to express your sincere hope for something or someone. For example, "I pray it will be a successful event."
I don't want to give too much away, as I pray it makes its way to New York.
I pray it doesn't happen, but responsible policy demands that we plan for it.
"If the Supreme Court overturns this law — I pray it won't — the world will go on changing," Ms. Brier said.
"I pray it works out for him and that the light turns on in his head," Baldi said of Noel.
I have made this decision with great care and I pray it is the right one.
As he finished, he said of his decision, "I pray it is the right one".
I prayed it was just a bit of skin irritation.
This intrigued me although I prayed it was not going to become some instant love romance.
"Every time I heard a shot, I prayed it wasn't taking a friend of mine," he said.
I prayed it would snow". It was a good day to be a child in the Bronx.
I prayed it wouldn't be something I couldn't do, such as giving him joint custody.
