Question

____+H2O---->_____+energy

Answer 1

CaO+H2O ---CaO(HO)2+ energy

Answer 2

Hi friend,

I know the last time you deleted my answer. I was about to edit it and you commented therefore I couldn't answer.
Sorry :)
Forgive me

Buy I have the answer now.

CaO + H20 ---> CaO(HO)2 + Energy

Hope you find my answer useful and hope you mark my answer as brainliest and Hope you forgive me !