Displacement

1. Potassium
2. Sodium
3. Calcium
4. Magnesium
5. Aluminium
6. Carbon
7. Zinc
8. Iron
9. Tin
10. Lead
11. Copper

Periodic table

Reactive series

Example
Iron and Copper Sulphate
Mg + CuSO4 → MgSO4 + Cu
2CuO + C → 2Cu + CO2