8 H2SO4 + 2 KMnO4 + 10 FeSO4*7H2O → 78 H2O + K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3
This is an oxidation-reduction (redox) reaction:
2 MnVII + 10 e- → 2 MnII (reduction)
10 FeII - 10 e- → 10 FeIII (oxidation)
KMnO4 is an oxidizing agent, FeSO4*7H2O is a reducing agent.