Хелп ме!!!!!!!!!!!!

Question

Хелп ме!!!!!!!!!!!!

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Answer 1

2 Ca + O2 = 2 CaO
CaO + 2 HNO3 = Ca(NO3)2 + H2O
Ca(NO3)2 + 2 CsOH = Ca(OH)2 ↓ + 2 CsNO3
Ca(OH)2 t° = CaO + H2O
CaO + SiO2 t° = CaSiO3