1)Pb(OH)2+2HCl=2H2O+PbCl2
CaO+H2SO4=CaSO4+H2O
Mg(OH)2+2HBr=MgBr2+2H2O
2)2Al(OH)3+3H2SO4=Al2(SO4)3+6H2O
Al(OH)3+NaOH=(t)NaAlO2+2H2O
Zn(OH)2+H2SO4=ZnSO4+2H2O
Zn(OH)2+2KOH+2H2O=K2[Zn(OH)4]
1)Pb(OH)2+2HCl=2H2O+PbCl2
CaO+H2SO4=CaSO4+H2O
Mg(OH)2+2HBr=MgBr2+2H2O
2)2Al(OH)3+3H2SO4=Al2(SO4)3+6H2O
Al(OH)3+NaOH=(t)NaAlO2+2H2O
Zn(OH)2+H2SO4=ZnSO4+2H2O
Zn(OH)2+2KOH+2H2O=K2[Zn(OH)4]