The Prophet [SAW] said: "Do not soak Az-Zahuw and ripe dates, and do not soak ripe dates and raisins together." (Using translation from Nasāʾī 5561)  

عَنِ النَّبِيِّ ﷺ قَالَ «لَا تَنْبِذُوا الزَّهْوَ وَالرُّطَبَ وَلَا تَنْبِذُوا الرُّطَبَ وَالزَّبِيبَ جَمِيعًا»