Both are used to talk about the future.
But we use them differently.
Will gebruik je als je iets zal doen of iets zal gaan gebeuren in de toekomst.
I/you/he/she/it/we/they will
De vorm van 'will' verandert dus niet.
Ontkennend: will not of won't
Vragend: Will you/I/etc. ?