How do you say Peace be with in french language?

The French phrase for "Peace be with you" is "Que la paix soit avec toi" (formal) or "Que la paix soit avec vous" (plural/formal).

Here's a breakdown:

* Que: That

* la paix: the peace

* soit: be

* avec: with

* toi: you (singular, informal)

* vous: you (plural or formal)

You can also use "La paix soit avec toi/vous" which is a more concise and direct translation, but less common in everyday speech.

Remember that "toi" is used for informal situations, while "vous" is used for formal situations or when addressing multiple people.