H2SO4 + Cd(OH)2 = 2H2O + CdSO4 In this reaction, no element is oxidized or reduced. This reaction is not a redox reaction. It is a acid-base neutralization reaction. Solution H2SO4 + Cd(OH)2 = 2H2O + CdSO4 In this reaction, no element is oxidized or reduced. This reaction is not a redox reaction. It is a acid-base neutralization reaction..