1)CaO+H2O=Ca(OH)2
2)Ca(OH)2+2HCl=CaCl2+2H2O
Ca 2+ + 2OH- +2H+ + 2Cl- =Ca 2+ + 2Cl- +2H2O
2H+ + 2OH- =2H2O
H+ + OH- =H2O
1)CaO+H2O=Ca(OH)2
2)Ca(OH)2+2HCl=CaCl2+2H2O
Ca 2+ + 2OH- +2H+ + 2Cl- =Ca 2+ + 2Cl- +2H2O
2H+ + 2OH- =2H2O
H+ + OH- =H2O