

| Hi puskar, |
I must say good Question,
Solvent decides the phase of solution okay if,
Both reactant have similar phase like
Ethanol and Water it is diffuicult to identify the solvent So, You can pick any of them as Solvent
Remark - You can Check 1st 15 mins of this https://www.youtube.com/live/cvBOCJkvwOw?feature=share
Teacher same example :)
Hope you got your answer
Thanks for asking.
