Question

Balance chemical eq barium chloride + aluminiumsulphate

Answer 1

3BaCl2 + Al2(SO4)3 -----> 2AlCl3 + 3BaSO4
This is your balanced equation dude.
Thnx...☺

Answer 2

This is a double double displacement reaction of the form
AB + CD —> CB + AD. Using this and adding appropriate stoichiometric coefficient you arrive at the answer in the image