• Sn(OH)2 = SnO + H2O

• Sn(NO3)2 + 2KOH = Sn(OH)2 + 2KNO3

• Sn(OH)2 + 2HBr = SnBr2 + 2H2O

• Sn(OH)2 + 2HClO3 = 2H2O + Sn(ClO3)2

• Sn(OH)2 + 2NaOH = Na2SnO2 + 2H2O

• 2HCl + Sn(OH)2 = SnCl2 + 2H2O

• SnCl2 + 2NH3 + 2H2O = Sn(OH)2 + 2NH4Cl

• SnSO4 + 2KOH = Sn(OH)2 + K2SO4