Question

could We store lemon pickle in aluminium container?

Answer 1

no we can't store in aluminium

Answer 2

no.

METAL + ACID --------> SALT + HYDROGEN.

lemon pickle is an acid and aluminium is a metal.
acids in pickle reacts with aluminium and corrode the surface of aluminium container with the liberation of hydrogen

hence it is not advisable to store lemon pickle in aluminium container.