Пожалуйста,помогите!!!

a) KOH + H2SO3 =
HCl + Na2O =
NaOH + SO3 =
AlCl3 + AgNO3 =
ZnCl2 + KOH =

б) NaOH + H3PO4 =
HBr + Al2O3 =
Ca(OH)2 + P2O5 =
Ba(NO3)2 + K2SO4 =
CuSo4 + KOH =