Sayyiduna Umar bin Khattab (may Allah be pleased with him) asked Abu Waqid Al-Laithi (may Allah be pleased with him): "Which Surahs did the Messenger of Allah (peace and blessings be upon him) recite in the Eid al-Adha and Eid al-Fitr prayers?" He replied: "He (peace and blessings be upon him) used to recite Surah Qaf and Surah Qamar."
Hadith Referenceالسنن المأثورة / باب ما جاء في الصلاة على الراحلة / 92
Hadith Takhrijصحیح مسلم، صلاة العيدين، باب ما يقرأ به في صلاة العيدين، رقم : 891۔