Answer:
Al(OH)3 + 3KCl ----> 3KOH + AlCL3
Explanation:
Pretty straightforward, first look at each side, see the numbers
of each molecule that isn't the same as the other side for example
3 chlorine atoms on the product side while one on the reactant side,
so just add a 3 before KCl then 3 potassium atoms on reactant side
while 1 on the product side so add a 3 before KOH as well, then look
at each atom one last time and make sure all atoms are equal,
then done!