Sn + CuSO4 → Cu + SnSO4 I think this should be the answer. Hope it helps.
The complete chemical reaction of aqueous Sodium sulfate and aqueous Barium nitrate is

The right side and the left side of the reaction have equal number of elements, therefore it is balanced.
Answer: In covalent bonds, atoms share electrons, whereas in ionic bonds atoms transfer electrons. The reaction components of covalent bonds are electrically neutral, whereas for ionic bonds they are both charged. ... Covalent bonds are formed between two non-metals, whereas ionic bonds are formed between a metal and non-metal.