Check MUBI (English subs) first. For Arabic subs, your best bet may be requesting a fan-edit or using subtitle translation software on the English .srt file. The full work is worth the effort. As the title says: Mektoub – it is written.
The film you're looking for is Mektoub, My Love: Canto Uno a French romantic drama directed by Abdellatif Kechiche fylm mektoub my love canto uno 2017 mtrjm fydyw lfth work