Where the ions of potassium are positively charged and those of cyanide are negatively charged. With the nitrogen ion, carbon has 3 bonds. It resembles the crystal structure of crystalline NaCl. Hydrolysis (the conversation with water) causes the soaked solid to release trace portions of hydrogen cyanide. A normal description https://potassiumcyanidemolarmass58035.digitollblog.com/29838086/the-5-second-trick-for-potassium-cyanide-ksp