1. CaO+SO3=CaSO4
CaO+2HCl=CaCl2+H2O
2CaO=2Ca+O2
CaO+H2O=Ca(OH)2
2.Ba(OH)2=BaO+H2O
Ba(OH)2+SO3=BaSO4+H2O
Ba(OH)2+2HCl=BaCl2+2H2O
Ba(OH)2+Na2SO4=BaSO4+2NaOH
1. CaO+SO3=CaSO4
CaO+2HCl=CaCl2+H2O
2CaO=2Ca+O2
CaO+H2O=Ca(OH)2
2.Ba(OH)2=BaO+H2O
Ba(OH)2+SO3=BaSO4+H2O
Ba(OH)2+2HCl=BaCl2+2H2O
Ba(OH)2+Na2SO4=BaSO4+2NaOH