Is "Wi ou pral" correct in saying, "Yes, you will."?

"pral" is not used as an auxillary for short answers.
When one says: "Wi, ou prale." it means: "Yes you will go"

Example:

Are you going to the church?

Eske ou pral legliz la?

Yes I'm going.

Wi mwen prale.

Are we going to Mexico?

Eske nou prale Meksik?

Yes we are.

Wi nou prale.

Am I going with you?

 Eske mwen prale avè w?

Yes, you are.

Wi ou prale.

Short answers in English does not mean short answers in Creole.

Are you going to miss me?

Eske ou pral sonje m?

Yes I am.

Wi mwen pral sonje w.

Are you going to sit down?

Eske ou pral chita?

Yes I will.

Wi mwen pral chita.

Will you sing?

Eske ou pral chante?

Yes I will.

Wi mwen pral chante.

Will you come to the party?

Eske w'ap vini nan fèt la?

Yes I will.

Wi m'ap vini.

Will they recognize me?

Eske y'ap rekonèt mwen?

Yes they will.

Wi y'ap rekonèt ou.

Will I see you again?

Eske m'ap wè ou ankò?

Yes you will.

Wi w'ap wè m.

Will you be here?

Eske w'ap la?

Yes i will.

Wi m'ap la.

Ask me anything