Was it Joshua who accompanied moses to meet khidr asi?

Yes, it was Joshua (Yusha in Arabic) who accompanied Moses (Musa) to meet Khidr, a mystical figure in Islamic tradition. This meeting is described in the Quran, specifically in Surah Al-Kahf (18:60-82), where Moses seeks knowledge from Khidr. Joshua is mentioned in some interpretations as being present during this journey.