1) CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HCl = CaCl2 + 2H2O
2) Zn + Cl2 -> ZnCl2
ZnCl2 + 2NaOH = Zn(OH)2 + 2NaCl
Zn(OH)2 + H2SO4 = ZnSO4 + 2H2O
1) CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HCl = CaCl2 + 2H2O
2) Zn + Cl2 -> ZnCl2
ZnCl2 + 2NaOH = Zn(OH)2 + 2NaCl
Zn(OH)2 + H2SO4 = ZnSO4 + 2H2O