Цепочка превращения Ca-CaO-Ca(OH) 2-CaO

Question

Цепочка превращения
Ca-CaO-Ca(OH) 2-CaO

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Answer 1

1. 2Ca + O2 = 2CaO
2. CaO + H2O = Ca(OH)2
3. Ca(OH)2 =(t) CaO + H2O

Answer 2

2Ca + O2 -> 2CaO
CaO + H2O -> Ca(OH)2
Ca(OH)2 -> CaO + H2O