1) 4Rb+O2=2Rb2O
Rb2O+H2O=2RbOH
RbOH+HCl=RbCl+H2O
2) K2O+H2O=2KOH
K2O+SO3=K2SO4
K2O+H2SO4=K2SO4+H2O
KOH+H2SO4=KHSO4+H2O
2KOH+H2SO4=K2SO4+2H2O
1) 4Rb+O2=2Rb2O
Rb2O+H2O=2RbOH
RbOH+HCl=RbCl+H2O
2) K2O+H2O=2KOH
K2O+SO3=K2SO4
K2O+H2SO4=K2SO4+H2O
KOH+H2SO4=KHSO4+H2O
2KOH+H2SO4=K2SO4+2H2O