(22) باب كَيْفَ يُرَدُّ عَلَى أَهْلِ الذِّمَّةِ السَّلاَمُ
Narrated `Abdullah bin `Umar:
Allah's Messenger (ﷺ) said, "When the Jews greet you, they usually say, 'As-Samu 'alaikum (Death be on you),' so you should say (in reply to them), 'Wa'alaikum (And on you).
Reference: Sahih al-Bukhari 6257
In-book reference: Book 79, Hadith 31
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 74, Hadith 274